Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE)

Question 1170123: 4x^2+5x+h=0
Click here to see answer by Alan3354(69443)

Question 1170123: 4x^2+5x+h=0
Click here to see answer by josgarithmetic(39613)

Question 1170104: Vertex form of y = 4x^2+12x+8. Please show your solution.
Click here to see answer by htmentor(1343)

Question 1170220: A labourer built 15 m of stone wall. If she had built 2 m less each day, it would have taken her 2 days longer. How many metres did she build each day, working at her usual rate?

Click here to see answer by ikleyn(52748)

Question 1170263: The width of a rectangle is 5 less than twice its length. If the area of the rectangle is 192 cm2, what is the length of the diagonal?
Click here to see answer by Alan3354(69443)

Question 1170314: T(x)=-3x^2+240x-1,800
How many microwaves must be produced and sold to achieve a profit of $3,000

Click here to see answer by MathLover1(20849)

Question 1170328: Change 4x (x - 2) -1 = 0 into standard form
Click here to see answer by ikleyn(52748)

Question 1170328: Change 4x (x - 2) -1 = 0 into standard form
Click here to see answer by Clanther(6)

Question 1170321: Formulate a quadratic equation then answer what is asked in the problem.
The distance of Hubert's house from our house is 1.5 km. If he depart at around 9 o'clock in the morning, what time will Hubert arrive in our house if he is biking with the speed of 10kph?
Click here to see answer by ikleyn(52748)

Question 1170325: Formulate a quadratic equation then answer what is asked in the problem.
If John plans to put a Computer Sales and Services with printing station and applies for a loan of an amount P in pesos and r percent compounded annually to invest in his business, he believes that his business will grow to an amount A=P(1+r)² in two years. Supposed John wants his money amounting to Php200,000 to grow to Php228,980 in two years. At what rate must he invest his money?

Click here to see answer by Theo(13342)

Question 1170323: Formulate a quadratic equation then answer what is asked in the problem.
If train travels 63km and then 72km at an average speed of 6kph more than its original speed. What is its original average speed if it takes 3 hours to complete the total journey of the train?
Click here to see answer by Theo(13342)

Question 1170422: What is the factor of 4x2=16x=0
Click here to see answer by Theo(13342)

Question 1170420: What are the factors of d2-64=0
Click here to see answer by ikleyn(52748)

Question 1170418: What are the factors of c2-16=0

Click here to see answer by ikleyn(52748)

Question 1170418: What are the factors of c2-16=0

Click here to see answer by Alan3354(69443)

Question 1170421: What are the factors of y2=7y

Click here to see answer by Boreal(15235)

Question 1170412: Good day may you please help me with the following question.
solve the following pair of simultaneous equations.
3/5x - 4y = -1
0.8x - 3.5y = 1/2
Click here to see answer by Boreal(15235)

Question 1170483: Christian is planning to fence his vacant lot for a garden. The desired length of the lot is 2 meters longer than its width. What will be the possible dimensions of the rectangular garden if it should less than 8 sq. meters?
(Hint: Area of a rectangle is length x width)
Click here to see answer by ikleyn(52748)

Question 1170497: Christian is planning to fence his vacant lot for a garden. The desired length of the lot is 2 meters longer than its width. What will be the possible dimensions of the rectangular garden if it should less than 8 sq. meters?
(Hint: Area of a rectangle is length x width)
With solutions please ;)
Click here to see answer by MathLover1(20849)

Question 1170609: Let be an angle measure and let the real numbers a, b, c, cosx be such that they make the following equation true: acos^2x+bcosx+c Write the equivalent quadratic equation for a, b, c, cosx Compare the given and the obtained equality for a=4,b=2,c=-1
Click here to see answer by ikleyn(52748)

Question 1170662: The length of a rectangular garden is two feet less than three times the width. If the area is 65ft², find the dimension.
Pls answer my question
Click here to see answer by MathLover1(20849)

Question 1170671: A parabolic arch of a tunnel that is 4 meters wide and 1.5meters tall at the centre. The left edge of the tunnel opening is the origin. The roots are (0,0) and (0,4)
The parabola is 1.5 meters tall at the centre. The vertex is at (2,1.5)
Lamps which are 25 cm long are then installed in the tunnel which narrows the opening. How do you illustrate the opening of the tunnel reduced by the lamps on the same set of axes
Click here to see answer by ikleyn(52748)

Question 1170712: what is the graph of y≤x²+4x-12?
Click here to see answer by ikleyn(52748)

Question 1170772: x+3/x-4=x-5/x-4
Click here to see answer by Alan3354(69443)

Question 1170779: Some students at L.C.V.I. held a bake sale
recently to raise money for a field trip.
They charged $7 for fruit pies and $10 for
meat pies. They sold a total of 52 pies and
earned $424. How many of each type of
pie did they sell?
Click here to see answer by greenestamps(13195)

Question 1170785: Are there two consecutive even integers the sum of whose reciprocal is 8/45? If your answer is yes, find them. If your answer is no, prove it.
Click here to see answer by VFBundy(438)

Question 1170829: h(t)=-16t^2+96t+4 what is the maximum height
Click here to see answer by Boreal(15235)

Question 1170829: h(t)=-16t^2+96t+4 what is the maximum height
Click here to see answer by ikleyn(52748)

Question 1170839: I need help with this if someone could.
A positive integer is 33 more than 24 times another. Their product is 9291. Find the two integers.
Click here to see answer by Alan3354(69443)

Question 1170925: what multiplies to -330 and adds up to 7?
Click here to see answer by josgarithmetic(39613)

Question 1170916: What transformations turn y = x^2 into y= -2(x - 1)^2+ 3?
Click here to see answer by MathLover1(20849)

Question 1170939: The underside of a bridge is an arch that
can be approximated by the relation
y 0.1x2 10, where y is the height,
in metres, above the ground and x is
the width, in metres, from the centre of
the bridge.
a) Graph the quadratic relation.
b) Describe the shape of the arch.
c) How tall and wide is the arch?
Click here to see answer by ikleyn(52748)

Question 1171034: Just simply rewrite the given equation to its standard form of quadratic equation then find the value of a, b and c
x^2-9=0
Click here to see answer by ikleyn(52748)

Question 1171032: Just simply rewrite the given equation to its standard form of quadratic equation then find the value of a, b and c
3x^2-2=6
Click here to see answer by ikleyn(52748)

Question 1171033: Just simply rewrite the given equation to its standard form of quadratic equation then find the value of a, b and c
x^2+2=5-2x^2
Click here to see answer by MathLover1(20849)

Question 1171033: Just simply rewrite the given equation to its standard form of quadratic equation then find the value of a, b and c
x^2+2=5-2x^2
Click here to see answer by ikleyn(52748)

Question 1171031: Just simply rewrite the given equation to its standard form of quadratic equation then find the value of a, b and c
(2x+1)^2=5x
Click here to see answer by MathLover1(20849)

Question 1171030: Just simply rewrite the given equation to its standard form of quadratic equation then find the value of a, b and c
2(3x-4)(3x+4)= (4x-1)^2
Click here to see answer by MathLover1(20849)

Question 1171049: Just simply rewrite the given equation to its standard form of quadratic equation then find the value of a, b and c
x^2+2=5-2x^2
Click here to see answer by josgarithmetic(39613)

Question 1171049: Just simply rewrite the given equation to its standard form of quadratic equation then find the value of a, b and c
x^2+2=5-2x^2
Click here to see answer by ikleyn(52748)

Question 1171029: Just simply rewrite the given equation to its standard form of quadratic equation then find the value of a, b and c
x/(x-5) - 3/(x+1) = 30/(x2-4x-5)
Click here to see answer by Theo(13342)

Question 1171058: Perform partial fraction decomposition for the expression 8+x+6x^2-12x^3/ (3x^2+4)(x^2+7).
Click here to see answer by MathLover1(20849)

Question 1171058: Perform partial fraction decomposition for the expression 8+x+6x^2-12x^3/ (3x^2+4)(x^2+7).
Click here to see answer by MathTherapy(10549)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240